Local Calling Guide

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NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]

NXX: 465

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
331-465 A West Chicago IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
331-465 0 West Chicago IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2009-04-11   
331-465 1 West Chicago IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-05   
331-465 2 West Chicago IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
331-465 3 West Chicago IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2008-11-20   
331-465 4 West Chicago IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-03-28   
331-465 5 West Chicago IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-10-30   
331-465 6 West Chicago IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2009-11-06   
331-465 7 West Chicago IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358   2009-01-01   
331-465 8 West Chicago IL   515J IP HORIZON LLC 358   2021-06-26   
331-465 9 West Chicago IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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